Serum biomarkers provide valuable information about the diagnosis and prognosis of a
wide variety of malignant tumors. Despite the identification of several useful serum …

Since its inception in the mid-1980s of the 20th century testing for carbohydrate antigen 19-9
(CA 19-9) has raised expectation for an earlier diagnosis and accurate monitoring of several …

Background: Gastric cancer (GC) is characterized by aggressive behavior and a high
mortality rate. The diagnosis of GC is challenging because the GC is often diagnosed in an …

Background. Carbohydrate 19.9 antigen (CA19. 9) has been used in the diagnosis and
followup of gastrointestinal tumours. The aim of this prospective longitudinal study was the …

Purpose. The clinical application of combined tumor markers is still limited. We aim to
explore the value of the combination of multiple tumor markers in gastric cancer (GC) …

Abstract Background: Carbohydrate antigen 19-9 (CA19-9) is frequently tested in cancer
patients. However, elevated CA19-9 can be found in many benign diseases. We …

Background Benign liver tumors are common. They do not spread to other areas of the body,
and they usually do not pose a serious health risk. In fact, in most cases, benign liver tumors …

Background: This study aimed to determine the role of tumor markers AFP, CA15-3, CA125,
CA19-9 and CEA in patients with hepatitis B and C. Methods: This descriptive cross …

Purposes Resected bile duct cancers often relapse during postoperative follow-up. The aim
of this study was to detect predictors of early recurrence in patients with extrahepatic bile …

Objectives To investigate underlying conditions of patients with elevated CA 19-9 at
screening tests and to evaluate diagnostic performance of abdominopelvic CT. Methods …